催化燃烧型甲烷传感器恒温检测桥路的研究
The Research of Bridge Circuit with Constant Temperature Detection of Catalyst Combustion Methane Sensor
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摘要: 催化燃烧型甲烷传感器的激活是传感器使用的关键问题。文章验证了催化燃烧原理,并分析了甲烷传感器的二值性问题。针对激活和二值性问题,设计了基于脉冲式恒温供电技术和闭环反馈系统的恒温检测桥路。通过实验取得了良好的效果。Abstract: The activation of catalyst combustion methane sensor is the key problem in the sensor’s usage.This paper validated the principle of catalyst combustion,analyzed the two-value problem of methane sensor.Aiming at the problems of activation and two-value,it designed a bridge circuit with constant temperature detection based on the impulse constant temperature power supply technology and close-loop feedback control system.It made good effect by experiment.
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